Wimshurst, James, 1832-1903

Static electricity : the "influence machine", how to make it and how to use it / by James Wimshurst ; with a few remarks on a compound form of the machine, and a few experiements demonstrating the flow of the electric current by Thomas Gray. - 1st ed. - London : Pewtress, 1886. - 34 p., 2 leaves of plates (1 folded) : ill. ; 18 cm.

One plate missing. Second copy is enlarged photocopy: 27cm.

Electric machines.
Electric currents.

Gray, Thomas.